/* ================================================================
   Balkonkraftwerk Dimensionierungsrechner — Styles
   Farbschema nach homeandsmart.de:
     Boston Blue (#378CB5) = Primär · Warm Coffee (#816050) = Interaktion
     Golden Grass (#D5A91A) = Akzent (Produktrahmen + Empfehlung)
   Typografie: Inter · mobile-first · kompakt für Iframe-Einbettung
   ================================================================ */

:root {
  --c-primary:       #378CB5;
  --c-primary-dark:  #155A7B;
  --c-primary-light: #EAF1F6;
  --c-primary-mid:   #96B7D2;

  --c-interact:      #816050;
  --c-interact-dark: #6A4E41;
  --c-interact-light:#9F8273;

  --c-accent:        #D5A91A;
  --c-accent-light:  #F6E6A8;

  --c-alert:   #C74333;
  --c-success: #78B330;

  --c-text:       #222222;
  --c-text-soft:  #555555;
  --c-text-mute:  #8A8A8A;
  --c-bg:         #F8FAFC;
  --c-card:       #FFFFFF;
  --c-border:     #E3E3E3;
  --c-border-strong: #C4C4C4;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(34, 34, 34, 0.05);
  --shadow:    0 4px 12px rgba(34, 34, 34, 0.07);
  --shadow-lg: 0 10px 30px rgba(34, 34, 34, 0.09);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
h1, h2, h3 {
  font-family: var(--font);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
}

.app {
  max-width: 900px;
  margin: 0 auto;
  padding: 14px 14px 28px;
}
.view.hidden { display: none; }

/* ---------- App-Header ---------- */
.app-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  margin-bottom: 14px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-dark));
  border-radius: var(--radius-sm);
  box-shadow: 0 3px 10px rgba(21, 90, 123, 0.22);
  font-size: 14px;
  line-height: 1.2;
}
.app-header-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 4px;
  background: #fff;
  padding: 3px;
  object-fit: contain;
}
.app-header-title {
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  flex: 1;
  min-width: 0;
}
.app-header-title em {
  color: #fff;
  font-style: normal;
  font-weight: 800;
}
.app-header-meta {
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  border-radius: 999px;
  backdrop-filter: blur(2px);
}
@media (max-width: 440px) {
  .app-header-meta { display: none; }
  .app-header-title { font-size: 13px; }
}
@media (max-width: 360px) {
  .app-header-title { font-size: 12px; }
  .app-header { padding: 10px 12px; gap: 8px; }
}

/* ---------- Progress Bar ---------- */
.progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.progress.hidden { display: none; }
.progress-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--c-text-soft);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.progress-label #progress-current { color: var(--c-primary-dark); font-weight: 800; }
.progress-track {
  flex: 1;
  height: 6px;
  background: var(--c-border);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-dark));
  border-radius: 999px;
  transition: width .3s ease;
}

/* ---------- Step (Wizard-Karte) ---------- */
.step {
  max-width: 640px;
  margin: 0 auto;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 320px;
  animation: step-in .25s ease;
}
@keyframes step-in {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}
.step-content { flex: 1; display: flex; flex-direction: column; gap: 14px; }
.step-title {
  font-size: clamp(22px, 4.5vw, 28px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
}
.step-sub {
  margin: 0;
  color: var(--c-text-soft);
  font-size: 15px;
  line-height: 1.5;
}
.step-sub strong { color: var(--c-text); font-weight: 700; }
.step-hint {
  font-size: 12px;
  color: var(--c-text-mute);
  margin-top: -4px;
}
.step-hint.step-hint-error {
  color: var(--c-alert);
  font-weight: 600;
}
.step-hint.step-hint-ok {
  color: var(--c-primary-dark);
  font-weight: 600;
}
.step-hint.step-hint-ok strong { color: var(--c-text); }
.step-input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 18px;
  font-weight: 600;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.step-input:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(55, 140, 181, 0.18);
}
.step-input.shake {
  border-color: var(--c-alert);
  animation: shake .35s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}
.step-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 6px;
  flex-wrap: wrap;
}
.step-actions .btn-back-step { margin-right: auto; }
.time-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-text-soft);
  background: var(--c-accent-light);
  border: 1px solid var(--c-accent);
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.time-badge::before {
  content: "⏱";
  font-size: 11px;
}
@media (max-width: 420px) {
  .time-badge { display: none; }
}

/* ---------- Tabs (Verbrauch-Auswahl) ---------- */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 4px;
}
.tab {
  flex: 1;
  background: transparent;
  border: none;
  padding: 10px 12px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-soft);
  border-radius: calc(var(--radius-sm) - 4px);
  cursor: pointer;
  transition: all .15s;
}
.tab:hover { color: var(--c-text); }
.tab.active {
  background: #fff;
  color: var(--c-primary-dark);
  box-shadow: var(--shadow-sm);
}
.tab-panel { display: flex; flex-direction: column; gap: 10px; animation: tab-in .2s ease; }
.tab-panel.hidden { display: none; }
@keyframes tab-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- Option-Icons (Installationsort) ---------- */
.option-icon {
  width: 56px;
  height: 44px;
  color: var(--c-primary);
  display: block;
  margin: 0 auto 4px;
}
.options-icon .option { padding: 12px 8px 12px; min-height: 110px; }
.options-icon .option.active .option-icon { color: var(--c-primary-dark); }

@media (max-width: 560px) {
  .options-icon .option {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    min-height: 0;
    padding: 10px 10px;
    gap: 10px;
  }
  .options-icon .option-icon {
    width: 40px;
    height: 32px;
    margin: 0;
    flex-shrink: 0;
  }
  .options-icon .option strong { font-size: 14px; }
  .options-icon .option span { font-size: 11px; }
}

.input-suffix {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.input-suffix:focus-within {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(55, 140, 181, 0.18);
}
.input-suffix input { border: none; flex: 1; padding: 14px 16px; font-size: 18px; font-weight: 600; min-width: 0; }
.input-suffix input:focus { box-shadow: none; outline: none; }
.input-suffix span { padding: 0 16px; color: var(--c-text-soft); font-size: 14px; border-left: 1px solid var(--c-border); font-weight: 500; white-space: nowrap; }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 10px 16px;
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: 999px;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text-soft);
  cursor: pointer;
  transition: all .15s;
}
.chip:hover { border-color: var(--c-border-strong); }
.chip.active {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
  font-weight: 600;
}
.chips-lg .chip { padding: 12px 18px; font-size: 15px; }

/* Empfehlungs-Marker */
.chip.is-recommended {
  position: relative;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 1px var(--c-accent) inset;
}
.chip.is-recommended::after {
  content: "★";
  position: absolute;
  top: -7px;
  right: -7px;
  width: 18px;
  height: 18px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-accent);
  background: #fff;
  border: 1.5px solid var(--c-accent);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.chip.is-recommended.active {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 1.5px var(--c-accent) inset;
}
.chip.is-recommended.active::after {
  background: var(--c-accent);
  color: #fff;
}

.cfg-label-hint {
  display: inline-block;
  margin-left: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--c-accent);
}

/* ---------- Kompass (Ausrichtung) ---------- */
.compass {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-width: 400px;
  margin: 0 auto;
}
.compass .chip {
  width: 100%;
  padding: 11px 6px;
  justify-content: center;
  text-align: center;
  font-size: 13.5px;
  white-space: nowrap;
}
.compass-center {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  opacity: 0.55;
}
@media (max-width: 400px) {
  .compass { gap: 5px; }
  .compass .chip { padding: 10px 3px; font-size: 12px; }
}
@media (max-width: 340px) {
  .compass .chip { font-size: 11px; padding: 9px 2px; }
}

/* ---------- Options (Kacheln) ---------- */
.options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.options-2 { grid-template-columns: repeat(2, 1fr); }
.options-3 { grid-template-columns: repeat(3, 1fr); }
.options-4 { grid-template-columns: repeat(4, 1fr); }
.options-5 { grid-template-columns: repeat(5, 1fr); }
.options-compact .option { padding: 14px 8px; min-height: 52px; }
.options-compact .option strong { font-size: 20px; }
@media (max-width: 600px) {
  .options-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 440px) {
  .options { grid-template-columns: 1fr; }
  .options-3 { grid-template-columns: 1fr; }
  .options-3 .option,
  .options:not(.options-5):not(.options-4):not(.options-icon) .option {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    min-height: 0;
    padding: 12px 14px;
    gap: 10px;
  }
  .options-3 .option strong,
  .options:not(.options-5):not(.options-4):not(.options-icon) .option strong { font-size: 15px; }
  .options-3 .option span,
  .options:not(.options-5):not(.options-4):not(.options-icon) .option span { font-size: 12px; text-align: right; }
}
.option {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px 10px;
  background: #fff;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--c-text);
  cursor: pointer;
  transition: all .15s;
}
.option:hover { border-color: var(--c-border-strong); }
.option strong { font-size: 15px; font-weight: 700; }
.option span { font-size: 12px; color: var(--c-text-mute); }
.option.active {
  border-color: var(--c-primary);
  background: var(--c-primary-light);
  box-shadow: 0 0 0 2px var(--c-primary) inset;
}
.option.active span { color: var(--c-primary-dark); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--c-interact);
  color: #fff;
  box-shadow: 0 2px 8px rgba(129, 96, 80, 0.30);
}
.btn-primary:hover:not(:disabled) {
  background: var(--c-interact-dark);
  box-shadow: 0 4px 14px rgba(129, 96, 80, 0.40);
  transform: translateY(-1px);
}
.btn-primary:disabled {
  background: var(--c-border-strong);
  color: #fff;
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.7;
}
.btn-lg { width: 100%; padding: 16px; font-size: 16px; }
.btn-next { min-width: 130px; }
.btn-calc { min-width: 220px; }

.btn-back-step {
  background: none;
  border: none;
  color: var(--c-text-soft);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: all .15s;
}
.btn-back-step:hover { color: var(--c-primary-dark); background: var(--c-primary-light); }
.btn-back-top { align-self: flex-start; margin: -4px 0 8px -10px; }

/* ---------- Trust-Strip ---------- */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 20px;
  padding: 16px 10px 4px;
  margin-top: 8px;
}
.trust-strip.hidden { display: none; }
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--c-text-soft);
  font-weight: 500;
}
.trust-item strong {
  color: var(--c-text);
  font-weight: 700;
}
.trust-item svg { color: var(--c-primary); flex-shrink: 0; }

/* ---------- Hero (Empfehlung) ---------- */
.hero { text-align: center; margin: 4px 0 22px; }
.hero-compact { margin: 4px 0 18px; }
.hero-badge {
  display: inline-block;
  background: var(--c-accent-light);
  color: #5C4500;
  border: 1px solid var(--c-accent);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.hero h1 {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  line-height: 1.25;
}
.hero h1 strong {
  color: var(--c-primary-dark);
  font-weight: 800;
}
.hero h1 em {
  color: var(--c-text-mute);
  font-style: normal;
  font-weight: 500;
  font-size: 0.8em;
}
.hero-sub {
  margin: 0 auto;
  max-width: 640px;
  color: var(--c-text-soft);
  font-size: 15px;
  line-height: 1.5;
}
.hero-sub strong { color: var(--c-text); font-weight: 700; }

/* ---------- Section Heading (Block-Titel) ---------- */
.section-heading {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--c-text);
  margin: 22px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--c-primary);
  line-height: 1.25;
}
.section-sub {
  margin: -6px 0 12px;
  padding-left: 16px;
  font-size: 13px;
  color: var(--c-text-soft);
  line-height: 1.4;
}
@media (max-width: 480px) {
  .section-heading { font-size: 16px; margin: 18px 0 8px; padding-left: 10px; }
  .section-sub { font-size: 12px; padding-left: 14px; margin: -4px 0 10px; }
}

/* ---------- Alert-Box (ungenutzt, Budget-Flow entfernt) ---------- */
.alert-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  margin: 0 0 14px;
  background: #FFF6E5;
  border: 1px solid var(--c-accent);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius-sm);
}
.alert-box[hidden] { display: none; }
.alert-icon { color: #A4800F; flex-shrink: 0; margin-top: 1px; }
.alert-text {
  flex: 1;
  font-size: 13.5px;
  color: #5C4500;
  line-height: 1.5;
}
.alert-text strong { color: #3F2E00; font-weight: 700; }
.alert-line { display: block; }
.alert-line + .alert-line { margin-top: 6px; }

/* ---------- Card (generisch) ---------- */
.card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* ---------- Metriken: "Warum diese Größe?" ---------- */
.metrics-sub {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.metrics-sub-4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 760px) {
  .metrics-sub-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .metrics-sub { gap: 8px; }
  .metric-sub-card { padding: 10px 12px; }
  .metric-sub-value { font-size: 18px; }
  .metric-sub-label { font-size: 10px; }
  .metric-sub-desc { font-size: 11px; line-height: 1.35; }
}
.metric-sub-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.metric-sub-card.metric-sub-highlight {
  background: linear-gradient(135deg, #FBEFBE, #F6E6A8);
  border-color: var(--c-accent);
}
.metric-sub-card.metric-sub-highlight .metric-sub-label { color: #7A5C00; }
.metric-sub-card.metric-sub-highlight .metric-sub-value { color: #5C4500; }
.metric-sub-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--c-text);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}
.metric-sub-value small { font-size: 12px; font-weight: 500; color: var(--c-text-mute); }
.metric-sub-card.metric-sub-highlight .metric-sub-value small { color: #7A5C00; }
.metric-sub-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--c-primary-dark);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.metric-sub-desc {
  font-size: 12px;
  color: var(--c-text-soft);
  line-height: 1.45;
}
.metric-sub-desc strong { color: var(--c-text); font-weight: 700; }

/* ---------- Alternativen (3 Karten) ---------- */
.alternatives {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px 12px;      /* vertikaler Abstand für „AUSGEWÄHLT"-Badge */
  margin-bottom: 14px;
  padding-top: 14px;   /* Platz oben für überstehenden Badge der ersten Karte */
}
@media (max-width: 720px) {
  .alternatives {
    grid-template-columns: 1fr;
    gap: 22px;         /* mehr Luft zwischen Karten auf Mobile */
    padding-top: 16px;
  }
}

.alt-card {
  position: relative;
  background: var(--c-card);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: transform .18s cubic-bezier(.2,.8,.2,1),
              box-shadow .18s, border-color .18s, background .18s;
  -webkit-tap-highlight-color: transparent;
}
.alt-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  border-color: var(--c-primary-mid);
}
.alt-card:focus-visible {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(55, 140, 181, 0.2);
}
.alt-card-highlight {
  background: linear-gradient(180deg, #FFFDF5, #fff 60%);
  border: 2px solid var(--c-accent);
  box-shadow: 0 6px 18px rgba(213, 169, 26, 0.22);
}
.alt-card-highlight:hover {
  box-shadow: 0 10px 24px rgba(213, 169, 26, 0.30);
}

/* ===== Ausgewählte Variante — visuell deutlich hervorgehoben ===== */
.alt-card-selected {
  border: 2.5px solid var(--c-primary);
  background: linear-gradient(180deg, #F3F9FC, #fff 55%);
  box-shadow: 0 12px 28px rgba(55, 140, 181, 0.28),
              0 0 0 4px rgba(55, 140, 181, 0.10);
  transform: translateY(-2px);
}
.alt-card-selected:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(55, 140, 181, 0.32),
              0 0 0 4px rgba(55, 140, 181, 0.14);
  border-color: var(--c-primary);
}
.alt-card-selected.alt-card-highlight {
  border-color: var(--c-primary);
  background: linear-gradient(180deg, #F3F9FC, #FFFDF5 60%);
}
/* „AUSGEWÄHLT"-Badge oben auf der Karte */
.alt-card-selected::before {
  content: "✓ AUSGEWÄHLT";
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 3px 8px rgba(55, 140, 181, 0.35);
  white-space: nowrap;
  z-index: 2;
}
/* Gold-Stern auf hervorgehobener Karte nach oben-rechts schieben,
   damit „AUSGEWÄHLT"-Badge in der Mitte Platz hat */
.alt-card-selected .alt-star { right: 10px; top: -10px; }

/* Call-to-Action am Karten-Fuß */
.alt-cta {
  margin-top: 4px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--c-primary-light);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-primary-dark);
  text-align: center;
  letter-spacing: 0.02em;
  transition: background .15s, color .15s;
}
.alt-card:hover .alt-cta { background: #DDEAF3; }
.alt-card-selected .alt-cta {
  background: var(--c-primary);
  color: #fff;
  font-weight: 800;
}

/* ===== Mobile-Optimierung ===== */
@media (max-width: 720px) {
  /* 2-Spalten-Grid für Stats auf schmalen Bildschirmen — weniger Scroll */
  .alt-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 14px;
    padding: 10px 0 0;
  }
  .alt-stats > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: flex-start;
  }
  .alt-stats dt {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--c-text-mute);
  }
  .alt-stats dd { font-size: 15px; }
  .alt-card { padding: 14px 14px 12px; }
  .alt-config strong { font-size: 16px; }
  .alt-cta { padding: 9px 10px; font-size: 12px; }
  .alt-card-selected::before { font-size: 10px; padding: 3px 10px; }
}
.alt-star {
  position: absolute;
  top: -12px;
  right: 14px;
  width: 26px;
  height: 26px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--c-accent);
  border: 2px solid #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(213, 169, 26, 0.45);
}

.alt-head {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1px dashed var(--c-border);
  padding-bottom: 10px;
}
.alt-label {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-primary-dark);
}
.alt-card-highlight .alt-label { color: #7A5C00; }
.alt-sub {
  font-size: 11px;
  color: var(--c-text-mute);
  font-weight: 500;
}

.alt-config {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.alt-config strong {
  font-size: 17px;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: -0.01em;
}
.alt-config span {
  font-size: 12px;
  color: var(--c-text-soft);
}

.alt-stats {
  margin: 0;
  padding: 10px 0 0;
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.alt-stats > div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
}
.alt-stats dt {
  font-size: 12px;
  color: var(--c-text-soft);
  font-weight: 500;
}
.alt-stats dd {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.01em;
}
.alt-card-highlight .alt-stats dd { color: #3F2E00; }
@media (max-width: 480px) {
  .alt-card { padding: 14px 14px 12px; }
  .alt-config strong { font-size: 16px; }
}

/* ---------- Konfigurations-Summary (aufklappbar) ---------- */
.config-wrap {
  padding: 0;
  margin-bottom: 18px;
  overflow: hidden;
}
.config-summary {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  font: inherit;
  text-align: left;
  color: var(--c-text);
  transition: background .15s;
}
.config-summary:hover { background: var(--c-primary-light); }
.config-summary-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.4;
}
.config-summary-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-primary-dark);
  flex-shrink: 0;
}
.config-chevron { transition: transform .2s ease; color: var(--c-primary); }
.config-summary[aria-expanded="true"] .config-chevron { transform: rotate(180deg); }
@media (max-width: 480px) {
  .config-summary-label { display: none; }
}
.config-panel {
  padding: 4px 18px 16px;
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: cfg-open .25s ease;
}
.config-panel[hidden] { display: none; }
@keyframes cfg-open {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cfg-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding-top: 10px; }
.cfg-row[hidden] { display: none; }
.cfg-label {
  min-width: 130px;
  font-size: 12px;
  font-weight: 700;
  color: var(--c-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
@media (max-width: 480px) {
  .cfg-label { min-width: 100%; margin-bottom: 2px; }
}

/* ---------- Products ---------- */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.product-card {
  background: var(--c-card);
  border: 2px solid var(--c-accent);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 2px 8px rgba(213, 169, 26, 0.12);
  transition: all .15s;
}
.product-card:hover {
  box-shadow: 0 6px 20px rgba(213, 169, 26, 0.22);
  transform: translateY(-2px);
}
.product-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--c-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.product-brand img.retailer-logo {
  width: 20px; height: 20px;
  border-radius: 4px; object-fit: contain;
  background: #fff; border: 1px solid var(--c-border);
  padding: 2px; flex-shrink: 0;
}
.product-badge {
  display: inline-block;
  margin-left: auto;
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 700;
  color: #5C4500;
  background: var(--c-accent-light);
  border: 1px solid var(--c-accent);
  border-radius: 999px;
  letter-spacing: 0.03em;
  text-transform: none;
}
.product-name { font-size: 16px; font-weight: 700; margin: 0; line-height: 1.3; }
.product-specs { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 5px; }
.product-specs li {
  font-size: 13px; color: var(--c-text-soft);
  padding-left: 18px; position: relative; line-height: 1.4;
}
.product-specs li::before {
  content: "✓"; color: var(--c-primary);
  position: absolute; left: 0; font-weight: 700;
}
.product-footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-top: auto; padding-top: 10px;
  border-top: 1px solid var(--c-border);
}
.product-price { font-size: 19px; font-weight: 800; color: var(--c-text); }
.product-price small { font-size: 11px; font-weight: 500; color: var(--c-text-mute); }
.product-footer .btn { padding: 9px 14px; font-size: 13px; }

.empty-products {
  grid-column: 1 / -1;
  padding: 26px;
  text-align: center;
  color: var(--c-text-mute);
  background: var(--c-card);
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--radius);
}

.disclaimer {
  margin-top: 14px;
  font-size: 11px;
  color: var(--c-text-mute);
  text-align: center;
  line-height: 1.4;
}